1212252023 has 4 divisors (see below), whose sum is σ = 1212327480. Its totient is φ = 1212176568.

The previous prime is 1212251977. The next prime is 1212252029. The reversal of 1212252023 is 3202522121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1212252023 - 2⁸ = 1212251767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212251986 and 1212252004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212252029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2933 + ... + 49326.

It is an arithmetic number, because the mean of its divisors is an integer number (303081870).

Almost surely, 2^1212252023 is an apocalyptic number.

1212252023 is a deficient number, since it is larger than the sum of its proper divisors (75457).

1212252023 is an equidigital number, since it uses as much as digits as its factorization.

1212252023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75456.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1212252023 is about 34817.4097686775. The cubic root of 1212252023 is about 1066.2629181691.

Adding to 1212252023 its reverse (3202522121), we get a palindrome (4414774144).

The spelling of 1212252023 in words is "one billion, two hundred twelve million, two hundred fifty-two thousand, twenty-three".